<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="utf-8">
  <title>Sign in &laquo; Admin</title>
  <link rel="stylesheet" href="../assets/vendors/bootstrap/css/bootstrap.css">
  <link rel="stylesheet" href="../assets/css/admin.css">
</head>
<body>
  <div class="login">
    <div class="login-wrap">
      <img class="avatar" src="../assets/img/default.png">
      <!-- 有错误信息时展示 -->
      <!-- <div class="alert alert-danger">
        <strong>错误！</strong> 用户名或密码错误！
      </div> -->
      <div class="form-group">
        <label for="email" class="sr-only">邮箱</label>
        <input id="email" type="email" class="form-control" placeholder="邮箱" autofocus>
      </div>
      <div class="form-group">
        <label for="password" class="sr-only">密码</label>
        <input id="password" type="password" class="form-control" placeholder="密码">
      </div>
      <button class="btn btn-primary btn-block" id="loginBtn">登 录</button>
    </div>
  </div>

  <script src="../assets/vendors/jquery/jquery.min.js"></script>
<script type="text/javascript">
  // 选择登录按钮并为其添加点击事件
  $('#loginBtn').on('click', function () {
    // 获取用户输入的邮箱地址
    var email = $('#email').val();
    // 获取用户输入的密码
    var password = $('#password').val();
    // 判断用户是否输入了邮箱地址
    if (email.trim().length == 0) {
      alert('请输入邮箱')
      return;
    }
    // 判断用户是否输入了密码
    if (password.trim().length == 0) {
      alert('请输入密码');
      return;
    }

    $.ajax({
      type: 'post',
      url: '/login',
      data: {
        email: email,
        password: password
      },
      success: function (response) {
        // 登录成功 跳转到数据管理的首页面
        location.href = 'index.html';
      },
      error: function () {
        // 登录失败
        alert('用户名或者密码错误')
      }
    })

  });
</script>
</body>
</html>
